Page 272 - Atlas Sea Birds Ver1
P. 272

Grey-headed Gull

                         Year                 No. of pairs
                         1951 a                   √
                         1952 a                   √
                         1953 a                   √
                         1955 a                   √
                         1958 a                   √
                         1959 a                  100
                         1960 a                   √                 A  view of Grey-headed Gulls and Caspian  Terns nesting at
                         1961 b                   √                 Lane  Island, September 2013. Disused nests of White-breasted
                                                                    Cormorant and African Spoonbill can also be seen (photo C Fox)
                         1962 a                   √
                         1964 a                   √                        1959 f                  150
                         1967 a                   √                        1960 f                   √
                         1968 d                  100                       1963 f                   √
                         1969 a                   √                        1967 f                   √
                         1970 a                   √                        1969 f                   √
                         1971 a                   √                        1970 f                   √
                         1972 a                  750                       1978 c                   √
                         1974 a                   √                        1981 c                  10
                         1975 b                   √                        1991                     0
                         1976 a                   √                        1992 c                  175
                         1977 a                   √                        1993 c                   √
                         1979 d                  200                       1994                    32
                         1980 d                  250                       1995                    30
                         1981 d                   √                        1996                    210
                         1984 d                  500                       1997 c                  75
                         1987 d                  400                       1999 c                  116
                         1988 d                  280                       2000 c                  250
                         1991                     √                        2002 c                  60
                         1992                   1500                       2003 c                  60
                         1993                     √                        2013 e                  200
                         1994                    200                       2020                     ?
                         1995                     √
                                                                    a Berruti (1980)
                         1996                     √                 b Bowker and Downs (2008a)
                         1997 c                  105                c Bowker and Downs (2012)
                         1999                     √                 d Brooke et al. (1999)
                                                                    e Nanni et al. (2013)
                         2000 c                  557                f Cooper et al. (1992)
                         2001 c                  200                Other records EKZN Wildlife (unpub. info.)
                         2002 c                  90
                         2003 c                  142                Lone Tree Point
                                                                    Coordinates: 28.02 S; 32.50 E
                         2005 c                  129                Description: A small marshy peninsula that extends from
                         2013 e                  400                the Eastern Shores towards Lane Island and has a slightly
                         2020                     ?                 elevated tip. Growing on this point is a small patch of trees
                                                                    known as Lone Tree Point.
                                                                    Species and numbers breeding:
                  Caspian Tern                                      White-breasted Cormorant

                         Year                 No. of pairs                Year                 No. of pairs
                         1948 f                  110                      1960                     √
                         1949 f                  331                Berruti (1980)





                                                                 266
   267   268   269   270   271   272   273   274   275   276   277